Performance of Spray Column for CO2 Capture Application
Performance of Spray Column for CO2 Capture Application
复制标题
DOI：
10.1021/ie061702l
复制
发表时间：
2008
影响因子：
4.2
通讯作者：
Jeffery Kuntz and;A. Aroonwilas
中科院分区：
文献类型：
--
作者：
Jeffery Kuntz and;A. Aroonwilas
以单乙醇胺（MEA）水溶液为介质，对喷淋塔脱除气体中二氧化碳（CO2）的传质性能进行了实验研究。实验在吸收柱中在工艺条件范围内进行。喷雾的性能进行了评价，并提出了在总的传质系数（KGae）。结果发现，喷雾塔的性能随测试的工艺参数，包括气体流量，液体流量，CO2分压，MEA浓度，CO2负载，和喷嘴的大小显着变化。并对实验结果进行了分析，得到了有效面积（ae）和气相传质系数（kG）的基本信息。还将喷雾塔的性能与填料塔的性能进行了比较。比较表明，在CO2捕集应用中使用喷雾柱的巨大潜力。
The mass-transfer performance of a spray column was tested experimentally for the removal of carbon dioxide (CO2) from a gas stream by using an aqueous solution of monoethanolamine (MEA). The experiments were performed in absorption columns over ranges of process conditions. The performance of the spray was evaluated and presented in terms of the overall mass-transfer coefficient (KGae). It was found that the performance of the spray column varies significantly with the tested process parameters, including gas flow rate, liquid flow rate, CO2 partial pressure, MEA concentration, CO2 loading, and size of spray nozzle. The results were further analyzed for the fundamental information on effective area (ae) and gas-phase mass-transfer coefficient (kG). The performance of the spray column was also compared to that of a packed column. The comparison demonstrates a great potential of using the spray column in the CO2 capture application.